Add smooth fade in and fade out effects to your audio files. Choose preset or custom fade durations — all processing happens locally in your browser using ffmpeg.wasm.
Upload File
Upload Audio File
Drag & drop or click to browse
MP3, WAV, OGG, M4A, AAC, WebM, FLAC · Max 200 MB
Upload your audio file (MP3, WAV, OGG, M4A, AAC, WebM, or FLAC).
Toggle Fade In and/or Fade Out on or off.
Select a preset duration (1s, 2s, 3s, 5s) or enter a custom value.
Choose your output format: MP3 (smaller) or WAV (lossless).
Click "Apply Fade Effects" to process the audio using ffmpeg.wasm in your browser.
Preview the processed audio, then download the result.